Module: Convergence Index (Search Radius)
(c) 2003 by O.Conrad
Menu: Terrain Analysis > Morphometry
Description
Reference:
Koethe, R. / Lehmeier, F. (1996):
'SARA – System zur Automatischen Relief-Analyse',
User Manual, 2. Edition [Dept. of Geography, University of Goettingen, unpublished]

Parameters
NameTypeIdentifierDescriptionConstraints
Input
Elevation Grid (input)ELEVATION
Output
Convergence_Radius IndexGrid (output)RESULT
Options
RadiusIntegerRADIUSMinimum: 1.000000
MethodChoiceMETHODAvailable Choices:
[0] Standard
[1] Distance Weighted (Linear)
[2] Distance Weighted (Inverse)
GradientBooleanSLOPE
DifferenceChoiceDIFFAvailable Choices:
[0] direction to the center cell
[1] center cell's aspect direcion